Philips-DVR-5100-Service-Manual电路原理图.pdf

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1、 Service ManualServiceServiceServiceDVR5100/75 & DVR7100/75Copyright 2007 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any means, electronic, mechanical, p

2、hotocopying, or otherwisewithout the prior permission of Philips.Published by ZW-KC 0716 AV System Printed in The Netherlands Subject to modificationGB 3139 785 32780HDD RecorderVersion 1.0TABLE OF CONTENT1 General1.1 Scope1.2 Operating Conditions2 H/W Specification3 Adjustment & Setting3.1 Re-insta

3、ll the set to factory settings after repair3.2 Re-format HDD4 S/W Upgrade Procedure5 Troubleshooting Flowchart6 Block Diagram & Wiring diagram7 Mechanical Exploded view & Packaging drawing8 Service Parts list9 Annex - Circuit Diagram attachments231. General1. 1 ScopeThis is the product sheet for the

4、 High-Definition (HD) Free to Air (FTA) MPEG2Digital Video Recorder Set top box (STB) model DVR 5100/75 with 160GB HDD andDVR 7100/75 with 250GB HDD. This HD DVR is fully MPEG2 / DVB-T compliant,supporting channel frequencies range of 51 858MHz.DVR 5100/75 and DVR 7100/75 is a custom made product fo

5、r Philips ConsumerElectronics, and has HDMI feature connectors for Digital Audio/Video output alongwith S-Video, YPbPr and Composite connectors.1.2. Operating ConditionsOperating Temperature : +/- 0C +55CBefore delivery of the product, the supplier shall submit the specification drawing, thesample,

6、the test report and the QC (quality control) process flow chart to PhilipsSingapore.42. Hardware SpecificationSystemTuners: Two digital HD tuners (to receive digitaltransmission, see Basic Connection page 12-15)Transmission standards: DVB-TChannel coverage: 51 - 858 MHz. The above channel coverage m

7、erely ensures thechannel reception within these ranges. It does not guarantee the ability to receive signals inall circumstances.Aerial out: 75-ohm asymmetrical aerial socketVideo format: MPML, MPHLAudio format: Dolby Digital, MPEG (I and II)OutputsAUDIO OUT: RCA jacks (2 each)/2 Vrms/10 kilo ohmsVI

8、DEO OUT: RCA jack/1.0 Vp-p/75 ohmsS VIDEO OUT: 4-pin mini DIN/Y:1.0 Vp-p,C: 0.3 Vp-p (PAL)/75 ohmsDIGITAL AUDIO OUT (OPTICAL): Opticaloutput jack/18 dBm (wave length: 660nm)DIGITAL AUDIO OUT (COAXIAL): RCAjack/0.5 Vp-p/75 ohmsCOMPONENT VIDEO OUT(Y, PB/CB, PR/CR):RCA jack/Y: 1.0 Vp-p, PB/CB: 0.7 Vp-p

9、,PR/CR: 0.7 Vp-p/75 ohmsHDMI OUT:Type A (19-pin)5GeneralPower requirements: 220-240 V AC, 50 HzPower consumption:DVR 7100 : 30 WDVR 5100 : 29 WDimensions (approx.): 430 _ 80 _ 290 mm(width/height/depth) incl. projecting partsHard disk drive capacity:DVR 7100 : 250GBDVR 5100 : 160GBMass (approx.): 4.

10、0 kgOperating temperature: 5C to 40CStorage temperature: -40C to +65C3. Adjustments & Settings :3.1 Re-install the Set to Factory Settings after Repair:Goto Main Menu - General - Reset settings:This feature enables you to return the setup settings to their defaults without affectingthe recorded titl

11、es in the HDD.Select Yes , and press OK.The setup settings return to their defaults, and the recorder automatically turns off.3.2 Re-format HDD:Goto Main Menu - HDD Setting - Erase HDD:Erases all the recorded titles in the HDD at once. Note that protected titles are alsoerased.Press OK to confirm an

12、d press BACK to exit.674. S/W UPGRADE PROCEDURE4.1 Use a crossover RS232 cable to connect ZINWELL Set-top Box and PC COMport.4.2 On PC side:Launch Hyperterminal in MS Windows, and set the parameters as follow “115200-N-8-N”. (It is in “Programs”- “Accessories- “Communication” - “Hyperterminal” )Ente

13、r the properties setting page:8Set the COM portPress Configure Button to Configure9Setting the configure as following picture:All settings are done. Press Call button to connect the Set-top box.104.3 On Set-top box side:Use OSD to upgrade s/w. Then you see “C C C C .” shown on PC Hyperterminalscreen

14、.4.5 On PC side:Enter Hyper terminal menu, “ Transfer” - “Send file” - “BROWSE”, and select newsoftware file (set protocol in 1K Xmodem)- press “Send”Ps. Set-top-box will wait PC to transmit the s/w. If you doesnt send file to box, it willtimeout then exit the upgrade status. You should redo these actions again.“Transfer” - “Send file” - “BROWSE”, and select new software file (set protocol in1K Xmodem)- press “Send”6. When s/w update completed, the box will shut down automatically.7. Restart box, it will boot up with new software.